Figure 1.

Classification of knee osteoarthritis scales

Abbreviations: K and L: Kellgren and Lawrence; IKDC: International knee documentation committee; OARSIJSN: Osteoarthritis Research Society International Joint Space Narrowing; WORMS: Whole-Organ Magnetic Resonance Imaging Score; UGSSPKOA: Ultrasonographic Grading Scale for Severity of Primary Knee Osteoarthritis; SFA: French Society of Arthroscopy; WOMAC: Western Ontario and McMaster University; KOOS: Knee Osteoarthritis Outcome Score; SF 36 ASHI: Short Form 36 Arthritis Specific; FSI: Functional Status Index; KSSS: Knee Society Scoring System; LEQUESNE: Osteoarthritis Severity Indices of Lequesne; COAT: Comprehensive osteoarthritis test; IKHOAM: Ibadan Knee Osteoarthritis Outcome Measure; CBM: Community Balance and Mobility Scale; AIMS: Arthritis Impact Measurement Scales; KOFBeQ: Knee Osteoarthritis Fears and Beliefs Questionnaire; and MOS SF-36: Medical Outcomes Study Questionnaire Short Form 36 Health Survey